CVE-2021-38429 - CVE House
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Status published Medium CVE-2021-38429

OCI OpenDDS Secure Network Amplification

Vulnerability Description

OCI OpenDDS versions prior to 3.18.1 are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic, which may result in a denial-of-service condition and information exposure.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Federico Maggi (Trend Micro Research), Ta-Lun Yen, and Chizuru Toyama (TXOne Networks, Trend Micro) reported these vulnerabilities to CISA. In addition, Patrick Kuo, Mars Cheng (TXOne Networks, Trend Micro), Víctor Mayoral-Vilches (Alias Robotics), and Erik Boasson (ADLINK Technology) also contributed to this research.

References

More from OCI

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CVE-2021-38447
OCI OpenDDS Secure Amplification
High 8.6
CVE-2021-38445
OCI OpenDDS Secure Improper Handling of Length Parameter Inconsistency
High 7

Affected Vendor

Affected Software

OpenDDS
Vulnerable Versions:
unspecified

Timeline

Official Publish: May 5th, 2022
Last Modified: April 16th, 2025
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H

Weaknesses (CWE)

CWE-406

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.